Home / 11,148-15,384.24-6,180.96

Finding the Fourth Proportional to 11,148, 15,384.24 and 6,180.96

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Solution

The fourth proportional to 11,148, 15,384.24 and 6,180.96 is: 8,529.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,148 : 15,384.24 = 6,180.96 : x
  2. Step 2: Convert to fraction form
    11,148/15,384.24 = 6,180.96/x
  3. Step 3: Cross multiply
    11,148x = 15,384.24 × 6,180.96
  4. Step 4: Simplify right side
    11,148x = 95,089,372.07
  5. Step 5: Solve for x
    x = 95,089,372.07/11,148
  6. Step 6: Final answer
    x = 8,529.72

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.